Pillow



FIG. 1 is a perspective view of a pillow showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front side elevation;

FIG. 4 is a left side elevation;

FIG. 5 is a right side elevation;

FIG. 6 is a rear side elevation; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a pillow, as shown.